SX HD Video Player - 4K Ultra HD All Format 2021 is an HD video player that is fast and efficient. It is designed for Android phones and tablets. The main screen is the playback screen, where you can watch your videos and audio files. The video can be played in full HD or in HD quality. The audio can be played in the following formats: MP3, WAV, FLAC, OGG, MPEG, AIFF, and more. The audio can be set to play in the following modes: normal, audio, and subtitle. The audio can be set to play continuously or in a loop. The video can be set to play in the following formats: MOV, MP4, 3GP, MKV, FLV, AVI, and more.

This HD video player has a built-in equalizer, which can be used to make your audio more exciting. The equalizer has a built-in bass booster and a stereo surround sound effect. It can be used to enhance your audio experience.